1051344647 has 2 divisors, whose sum is σ = 1051344648. Its totient is φ = 1051344646.

The previous prime is 1051344631. The next prime is 1051344667. The reversal of 1051344647 is 7464431501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051344647 - 2⁴ = 1051344631 is a prime.

It is a super-2 number, since 2×1051344647² = 2210651133551109218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051344667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525672323 + 525672324.

It is an arithmetic number, because the mean of its divisors is an integer number (525672324).

Almost surely, 2^1051344647 is an apocalyptic number.

1051344647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051344647 is an equidigital number, since it uses as much as digits as its factorization.

1051344647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1051344647 is about 32424.4452072815. The cubic root of 1051344647 is about 1016.8300429492.

The spelling of 1051344647 in words is "one billion, fifty-one million, three hundred forty-four thousand, six hundred forty-seven".